Remote Code Execution Vulnerability in TP-Link Archer A7 Routers
CVE-2020-10886

8.1HIGH

Key Information:

Vendor

Tp-link
Status
Archer A7
Vendor
CVE Published:
25 March 2020

What is CVE-2020-10886?

This vulnerability enables remote attackers to execute arbitrary code on TP-Link Archer A7 routers running Firmware Ver: 190726 AC1750 without requiring authentication. The flaw resides in the tmpServer service, which operates on TCP port 20002. It arises from inadequate validation of a user-supplied string, allowing code execution in the context of the current process. Attackers can exploit this weakness to gain control over the device, posing significant security risks to users.

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Affected Version(s)

Archer A7 Firmware Ver: 190726

References

https://www.zerodayinitiative.com/advisories/ZDI-20-339/
x_refsource_MISC

EPSS Score

6% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

F-Secure Labs - Mark Barnes, Toby Drew, Max Van Amerongen, and James Loureiro
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